Climatological Report (Monthly)
Issued by NWS
Issued by NWS
342
CXUS55 KBYZ 011044
CLMLVM
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
441 AM MDT THU OCT 01 2026
...................................
...THE LIVINGSTON MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2026
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
HIGHEST 86 09/10
LOWEST 29 09/27
AVG. MAXIMUM 74.1 73.5 0.6
AVG. MINIMUM 42.8 41.2 1.6
MEAN 58.4 57.3 1.1
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 2
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
TOTALS 0.59 1.20 -0.61
DAYS >= .01 3
DAYS >= .10 3
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.31 09/18 TO 09/19
DEGREE DAYS
HEATING TOTAL 196 250 -54
SINCE 7/1 249 346 -97
COOLING TOTAL 5 20 -15
SINCE 1/1 344 276 68
................................................
WIND (MPH)
AVERAGE WIND SPEED 12.4
HIGHEST WIND SPEED/DIRECTION 39/230 DATE 09/02
39/220 09/03
39/220 09/07
HIGHEST GUST SPEED/DIRECTION 53/230 DATE 09/02
53/230 09/07
AVERAGE RH (PERCENT) 53
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 1
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 3 FOG W/VIS <= 1/4 MILE 1
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
THIS IS AN AUTOMATED...UNATTENDED WEATHER STATION AND MAY
UNDERESTIMATE WINTER PRECIPITATION.
...SEPTEMBER 2026 MONTH IN REVIEW FOR LIVINGSTON...
BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR LIVINGSTON FOR SEPTEMBER 2026. ALL TEMPERATURES ARE IN
DEGREES FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1991 TO 2020. MONTHLY RANKINGS
FOR PRECIPITATION AND TEMPERATURES USE A PERIOD
OF RECORD THAT STARTED IN JULY 1948 AT OR NEAR THE LIVINGSTON AIRPORT.
NUMBERS DENOTED WITH AN * IS MISSING DATA IN THE CALCULATION.
... MONTHLY PRECIPITATION...
MONTH 2026 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 0.59 1.20 -0.61 16TH DRIEST OUT OF 79 YEARS
(RECORD DRIEST WAS 0.04 IN 1964)
(DRIEST SINCE 0.48 IN 2022)
... SEPTEMBER 2026 BROKEN OR TIED DAILY PRECIPITATION RECORDS...
NONE
NOTE: SINCE THE LATE 1990S...LIVINGSTON BECAME AN AUTOMATED AND UNATTENDED
WEATHER STATION. PRECIPITATION AMOUNTS IN THE WINTER MAY BE UNDERESTIMATED.
... AVERAGE TEMPERATURES...
MONTH 2026 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 58.5 57.3 +1.2 TIED FOR THE 30TH WARMEST OUT OF 79 YEARS
(RECORD WARMEST WAS 64.2 IN 1998)
(WARMEST SINCE 60.4 IN 2025)
... AVERAGE HIGH TEMPERATURES...
MONTH 2026 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 74.1 73.5 +0.6 TIED FOR THE 28TH WARMEST OUT OF 79 YEARS
(RECORD WARMEST WAS 81.6 IN 1998)
(WARMEST SINCE 78.4 IN 2025)
... SEPTEMBER 2026 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...
NONE
... SEPTEMBER 2026 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...
NONE
... AVERAGE LOW TEMPERATURES...
MONTH 2026 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 42.8 41.2 +1.6 TIED FOR THE 26TH WARMEST OUT OF 79 YEARS
(RECORD WARMEST WAS 47.3 IN 1963)
(WARMEST SINCE 44.7 IN 2024)
... SEPTEMBER 2026 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...
NONE
... SEPTEMBER 2026 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...
NONE
$$